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New wave mental maths

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CONCEPT DEVELOPMENT – Week by Week 2nd Class Book WEEK.............................................1 NUMBER Basic number facts – addition Basic number facts – subtraction ALGEBRA Number patterns Odd and even numbers SHAPE AND SPACE 2-D shape 3-D shape MEASURES Time (telling) Time (days, months, year, calendar) Money WEEK.............................................2 NUMBER Ordinal numbers Basic number facts – addition Basic number facts – subtraction Fractions ALGEBRA Number patterns Odd and even numbers SHAPE AND SPACE 3-D shape MEASURES Weight Time (telling) Time (days, months, year, calendar) Money WEEK.............................................3 NUMBER Place value Basic number facts – addition Basic number facts – subtraction Addition within 99 ALGEBRA Odd and even numbers SHAPE AND SPACE 2-D shape 3-D shape MEASURES Area Weight Time (telling) Money WEEK.............................................4 NUMBER Order numbers Place value Basic number facts – addition Basic number facts – subtraction Addition within 99 Fractions SHAPE AND SPACE Spatial awareness 2-D shape 3-D shape 16

Angles MEASURES Area Weight Time (telling) Time (days, months, year, calendar) Money WEEK.............................................5 NUMBER Place value Basic number facts – addition Basic number facts – subtraction Fractions ALGEBRA Number patterns SHAPE AND SPACE Spatial awareness 2-D shape 3-D shape Symmetry MEASURES Length Area Time (telling) Time (days, months, year, calendar) Money WEEK.............................................6 NUMBER Order numbers Place value Basic number facts – addition Basic number facts – subtraction Fractions ALGEBRA Number patterns SHAPE AND SPACE 2-D shape 3-D shape Symmetry MEASURES Time (telling) Money DATA Reading simple graphs WEEK.............................................7 NUMBER Place value Basic number facts – addition Basic number facts – subtraction Fractions SHAPE AND SPACE 3-D shape Angles MEASURES Length Time (telling) Time (days, months, year, calendar)

New wave mental maths

Money WEEK.............................................8 NUMBER Order numbers Place value Basic number facts – addition Basic number facts – subtraction Subtraction within 99 Fractions ALGEBRA Number patterns SHAPE AND SPACE Spatial awareness 3-D shape Symmetry Angles MEASURES Time (telling) Time (days, months, year, calendar) Money WEEK.............................................9 NUMBER Place value Basic number facts – addition Basic number facts – subtraction Subtraction within 99 ALGEBRA Number patterns SHAPE AND SPACE 2-D shape Symmetry MEASURES Length Time (telling) Money WEEK...........................................10 NUMBER Order numbers Place value Basic number facts – addition Basic number facts – subtraction Subtraction within 99 SHAPE AND SPACE 2-D shape 3-D shape Symmetry Angles MEASURES Length Time (telling) Time (days, months, year, calendar) Money DATA Reading simple graphs WEEK...........................................11 NUMBER Place value

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CONCEPT DEVELOPMENT – Week by Week 2nd Class Book Basic number facts – addition Basic number facts – subtraction Fractions ALGEBRA Number patterns SHAPE AND SPACE Spatial awareness 2-D shape 3-D shape Symmetry Angles MEASURES Length Weight Time (telling) Time (days, months, year, calendar) Money

DATA Reading simple graphs WEEK...........................................15 NUMBER Order numbers Place value Basic number facts – addition Basic number facts – subtraction Fractions SHAPE AND SPACE Symmetry Angles MEASURES Length Time (telling) – elapsed time Money

WEEK...........................................12

WEEK...........................................16

NUMBER Order numbers Place value Basic number facts – addition Basic number facts – subtraction SHAPE AND SPACE Spatial awareness Angles MEASURES Time (telling) Money DATA Reading simple graphs

NUMBER Place value Basic number facts – addition Basic number facts – subtraction Fractions SHAPE AND SPACE Spatial awareness 2-D shape Symmetry Angles MEASURES Capacity Time (days, months, year, calendar) Money DATA Classifying/Sorting

WEEK...........................................13 NUMBER Place value Basic number facts – addition Basic number facts – subtraction Subtraction within 99 Fractions SHAPE AND SPACE Spatial awareness 2-D shape Angles MEASURES Length Capacity Time (days, months, year, calendar) Money WEEK...........................................14 NUMBER Place value Basic number facts – addition Basic number facts – subtraction Fractions SHAPE AND SPACE Spatial awareness 3-D shape MEASURES Time (telling) Money Prim-Ed Publishing

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WEEK...........................................17 NUMBER Place value Basic number facts – addition Basic number facts – subtraction Fractions ALGEBRA Number patterns SHAPE AND SPACE Spatial awareness 2-D shape 3-D shape Symmetry Angles MEASURES Weight Time (seasons) Money DATA Reading simple graphs

Fractions ALGEBRA Number patterns SHAPE AND SPACE Spatial awareness 2-D shape 3-D shape Symmetry Angles MEASURES Length Time (telling) Time (days, months, year, calendar) Money WEEK...........................................19 NUMBER Place value Basic number facts – addition Basic number facts – subtraction Fractions ALGEBRA Number patterns SHAPE AND SPACE Spatial awareness 2-D shape 3-D shape Symmetry Angles MEASURES Weight Capacity Time (telling) Time (days, months, year, calendar) Money DATA Classifying/Sorting WEEK...........................................20 NUMBER Place value Basic number facts – addition Basic number facts – subtraction Fractions ALGEBRA Number patterns Odd and even numbers SHAPE AND SPACE Spatial awareness 3-D shape Symmetry

WEEK...........................................18 NUMBER Place value Basic number facts – addition Basic number facts – subtraction New wave mental maths

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CONCEPT DEVELOPMENT – Week by Week 2nd Class Book Angles MEASURES Length Time (telling) Time (days, months, year, calendar) Money WEEK...........................................21 NUMBER Basic number facts – addition Basic number facts – subtraction ALGEBRA Number patterns Odd and even numbers SHAPE AND SPACE Spatial awareness 2-D shape 3-D shape Symmetry MEASURES Time (telling) Time (days, months, year, calendar) Money WEEK...........................................22 NUMBER Order numbers Basic number facts – addition Basic number facts – subtraction SHAPE AND SPACE 2-D shape Symmetry Angles MEASURES Length Time (telling) Money DATA Reading simple graphs

Order numbers Basic number facts – addition Basic number facts – subtraction Fractions ALGEBRA Number patterns SHAPE AND SPACE Spatial awareness 2-D shape 3-D shape Symmetry Angles MEASURES Length Time (telling) Money WEEK...........................................25 NUMBER Order numbers Basic number facts – addition Basic number facts – subtraction Fractions ALGEBRA Number patterns SHAPE AND SPACE 2-D shape 3-D shape Symmetry MEASURES Weight Time (telling) Time (days, months, year, calendar) Money DATA Classifying/Sorting WEEK...........................................26

NUMBER Order numbers Place value Basic number facts – addition Basic number facts – subtraction Fractions SHAPE AND SPACE 2-D shape 3-D shape MEASURES Capacity Time (telling) Time (days, months, year, calendar) Money

NUMBER Order numbers Place value Basic number facts – addition Basic number facts – subtraction Fractions ALGEBRA Number patterns SHAPE AND SPACE 2-D shape 3-D shape MEASURES Weight Time (telling) Money DATA Classifying/Sorting

WEEK...........................................24

WEEK...........................................27

NUMBER

NUMBER

WEEK...........................................23

Order numbers Basic number facts – addition Basic number facts – subtraction Fractions SHAPE AND SPACE Spatial awareness 3-D shape Symmetry Angles MEASURES Length Weight Time (telling) Time (days, months, year, calendar) Money DATA Reading simple charts WEEK...........................................28 NUMBER Order numbers Basic number facts – addition Basic number facts – subtraction Fractions ALGEBRA Number patterns SHAPE AND SPACE 2-D shape 3-D shape MEASURES Length Weight Time (telling) Time (days, months, year, calendar) Money DATA Reading simple charts WEEK...........................................29 NUMBER Order numbers Place value Basic number facts – addition Basic number facts – subtraction Fractions ALGEBRA Number patterns SHAPE AND SPACE Spatial awareness 3-D shape Symmetry MEASURES Length Time (telling) Money DATA Classifying/Sorting Reading simple charts WEEK...........................................30 NUMBER Order numbers

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New wave mental maths

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CONCEPT DEVELOPMENT – Week by Week 2nd Class Book Basic number facts – addition Basic number facts – subtraction Addition within 99 Fractions SHAPE AND SPACE Spatial awareness 2-D shape Symmetry Angles MEASURES Length Time (days, months, year, calendar) Money DATA Reading simple charts WEEK...........................................31 NUMBER Order numbers Basic number facts – addition Basic number facts – subtraction Addition within 99 Fractions ALGEBRA Number patterns SHAPE AND SPACE Spatial awareness 2-D shape 3-D shape Symmetry MEASURES Length Weight Time (telling) Time (days, months, year, calendar) Money DATA Reading simple graphs/diagrams WEEK...........................................32 NUMBER Basic number facts – addition Basic number facts – subtraction Addition within 99 Fractions ALGEBRA Number patterns Odd and even numbers SHAPE AND SPACE 3-D shape Symmetry MEASURES Weight Time (telling) Time (days, months, year, calendar) Money DATA Reading simple graphs/diagrams WEEK...........................................33 NUMBER Order numbers Prim-Ed Publishing

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Place value Basic number facts – addition Basic number facts – subtraction Addition within 99 Fractions ALGEBRA Number patterns Odd and even numbers SHAPE AND SPACE Spatial awareness 2-D shape 3-D shape Angles MEASURES Length Weight Time (telling) Time (days, months, year, calendar) Money WEEK...........................................34 NUMBER Place value Basic number facts – addition Basic number facts – subtraction Fractions ALGEBRA Number patterns SHAPE AND SPACE 2-D shape 3-D shape Angles MEASURES Capacity Time (telling) Money WEEK...........................................35 NUMBER Order numbers Basic number facts – addition Basic number facts – subtraction Fractions ALGEBRA Number patterns Odd and even numbers SHAPE AND SPACE 2-D shape 3-D shape Symmetry Angles MEASURES Length Capacity Time (telling) Time (days, months, year, calendar) Money

Basic number facts – subtraction Fractions ALGEBRA Number patterns SHAPE AND SPACE 2-D shape 3-D shape Symmetry Angles MEASURES Length Time (telling) Time (days, months, year, calendar) Money WEEK...........................................37 NUMBER Basic number facts – addition Basic number facts – subtraction Fractions ALGEBRA Number patterns Odd and even numbers SHAPE AND SPACE 2-D shape 3-D shape Symmetry Angles MEASURES Time (telling) Money WEEK...........................................38 NUMBER Basic number facts – addition Basic number facts – subtraction Addition within 99 Fractions ALGEBRA Number patterns SHAPE AND SPACE 2-D shape 3-D shape Angles MEASURES Length Time (telling) Time (days, months, year, calendar) Money

WEEK...........................................36 NUMBER Order numbers Basic number facts – addition New wave mental maths

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CONCEPT DEVELOPMENT – Week by Week 2nd Class Book WEEK...........................................39 NUMBER Order numbers Basic number facts – addition Basic number facts – subtraction Fractions ALGEBRA Number patterns Odd and even numbers SHAPE AND SPACE Spatial awareness 2-D shape 3-D shape Symmetry MEASURES Time (telling) Time (days, months, year, calendar) Money DATA Classifying/Sorting Reading simple diagrams WEEK...........................................40 NUMBER Order numbers Place value Basic number facts – addition Basic number facts – subtraction Subtraction within 99 Fractions ALGEBRA Odd and even numbers SHAPE AND SPACE Spatial awareness 3-D shape Angles MEASURES Length Weight Capacity Time (telling) Time (days, months, year, calendar) Money

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New wave mental maths

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NEW WAVE MENTAL MATHS (2nd Class Book) – Answers WEEK 1 pages 2 – 3

Monday 1. boat 2. 10 o’clock 3. 5 4. Sunday 5. 5 6. 6 7. 7 8. 10 9. 8 10. 6 Tuesday 1. 1 o’clock 2. B 3. Teacher check 4. 4 5. 5 6. 3 7. 8 8. 20 9. 11 10. 5 Wednesday

WEEK 2 pages 4 – 5

Monday 1. 12 2. 10 3. 10 4. 4 o’clock; 4:00 5. 8 6. afternoon 7. 8 8. 21 9. 8 10. 13

1. yes 2. 4; 4:30 3. 7 4. 9 5. 34 6. 25 7. 79 8. 12 9. 4 10. 3

Tuesday 1. 2 o’clock; 2:00 2. 10 3. 10 4. sun sets 5. 3 6. 30 7. 10 8. dark 9. 24 10. 2

Tuesday 1. 8 o’clock; 8:00 2. Teacher check 3. midday 4. 10 5. 7 6. 8 7. 8 8. 7 9. 17 10. 55

Tuesday 1. 5; 5:30 2. 3. 8 4. 53 5. Teacher check 6. 8 7. 11 8. 4 9. 39 10. triangle

Tuesday 1. 12; 12:15 2. 8 3. 16 4. Teacher check 5. 12 6. 54 7. 15 8. 3 9. 6 10. 4

Wednesday

Thursday

Thursday

1. E 2. 7 3. 10 4. 6 5. 5 o’clock 6. 5 7. 29 8. 30c 9. 7 10. 5 Prim-Ed Publishing

WEEK 5 pages 10 – 11

Monday 1. Teacher check 2. 7 3. 15 4. 10 5. 3; 3:30 6. 5 January 7. Tuesday 8. Thursday 9. 3 10. 4

1. 6 2. 10 3. 10 4. sun rises 5. 4 6. 60c 7. 9 8. 6 9. 15 10. 9 o’clock; 9:00

Friday

WEEK 4 pages 8 – 9

Monday 1. rectangle 2. 10 3. 8 4. 6 o’clock; 6:00 5. sunset 6. 6 7. 4 8. 6 9. 43 10. 5

1. 6 2. 9 3. 29 4. 16 5. 9 6. 7 7. 5 8. C 9. Teacher check 10. 3 o’clock 1. 10 2. 5 3. 7 o’clock 4. 8 5. 6 6. 3 7. 10 8. 19 9. 9 10. 6

WEEK 3 pages 6 – 7

1. 12 2. 12 o’clock; 12:00 3. Teacher check 4. Teacher check 5. 10 6. 10 7. 10 8. 4, 8, 12 9. 4, 8, 12 10. 18 Friday 1. 0 2. 12 3. 6 4. 10 5. 10 6. 11 o’clock; 11:00 7. 1 8. 70c 9. B 10. 9 www.prim-ed.com

Wednesday 1. round 2. Teacher check 3. 10 4. 6 5. 10 6. 6 7. 29 8. 27 9. 10 10. 9 or 9:30 Thursday 1. Teacher check 2. 1 or 1:30 3. water 4. 5 5. 10 6. 9 7. 20 8. 37 9. 9 10. 50 Friday 1. triangle 2. Teacher check 3. 9 4. 4 5. 10; 10:30 6. 12 7. 12 8. 47 9. 35 10. 5 New wave mental maths

Wednesday 1. 2. 0, 17, 19, 45 3. Teacher check 4. 10 5. square 6. 73 7. 5 8. 2 9. 42 10. 7; 7:30 Thursday 1. 2. 8 3. circle 4. 11; 11.30 5. B 6. 8 7. 83 8. 5 9. 3 10. 20 Friday 1. A 2. 10 3. 9 4. 93 5. 12; 12:30 6. B 7. 8, 19, 34, 42 8. 11 9. 59 10. 2

Monday

Wednesday 1. yes 2. Teacher check 3. 9 4. 74 5. 50 6. 6 7. 6 8. 4 bananas 9. Teacher check 10. 7; 7:15 Thursday 1. yes 2. Teacher check 3. B 4. 10 5. 84 6. 75 7. 5 8. 6 9. 47 10. Teacher check Friday 1. square 2. Sunday 3. 94 4. 12 5. 10 6. Teacher check 7. 40 8. 10 9. 20c 10. 50c 21


NEW WAVE MENTAL MATHS (2nd Class Book) – Answers WEEK 6 pages 12 – 13

WEEK 7 pages 14 – 15

WEEK 8 pages 16 – 17

WEEK 9 pages 18 – 19

WEEK 10 pages 20 – 21

Monday

Monday

Monday

Monday

Monday 1. (Ball) sphere 2. 12 3. 2 4. 1; 1.15 5. 7 6. 7 7. 7 8. 1 9. Friday 10. 10

1. 2 2. 14 3. 1; 12.45 4. 12 5. 7 6. 49 7. 85 8. 6 circles 9. 2 10. 80c

1. 20 2. Sunday 3. 11 4. 12; 11.45 5. Teacher check 6. 4 7. 9 tens 3 units 8. 25 9. 5 stars 10. 55

1. Yes 2. No 3. Teacher check 4. 14 5. 7 6. 19 7. 64 8. 7 9. 9 10. 2

1. 2. 13 3. 13 4. 3.45 5. Teacher check 6. 6 7. 2 8. 4 9. 15 10. 10 tens 0 units

Tuesday 1. 3.15 2. 6 3. 7 4. 3 5. 68 6. 13, 23, 48, 53 7. 6 circles 8. 20 9. 48 10. 3

Tuesday 1. 5; 4.45 2. 6 3. 4. 14 5. 28 February 6. 1, 8, 15, 22 7. Thursday 8. 39 9. 7 10. 90

Tuesday 1. 11; 10.45 2. 3. Teacher check 4. 11 5. 6 6. 4 tens 0 units 7. 71 8. Teacher check 9. 16 10. 78

Tuesday 1. Teacher check 2. Yes 3. No 4. 12 5. 49 6. 5 7. 7 8. 6 9. 20 10. 32

Tuesday 1. 11.15 2. Teacher check 3. 17 4. 7 5. 27 6. 99 7. 2nd 8. 5th 9. 31st 10. Saturday

Wednesday 1. Yes 2. Teacher check 3. 14 4. 5 5. 59 6. 10 7. 81 8. 10 9. Yes 10. 7; 6.45

Wednesday 1. No 2. Teacher check 3. 15 4. 5 5. 7 tens 8 units 6. 62 7. 11 8. 30c 9. 76 10. 2; 1.45

Wednesday 1. Yes 2. Yes 3. Yes 4. 11 5. 50 6. 20 7. Teacher check 8. 10c 9. 8 10. Teacher check

Wednesday 1. 3 2. 13 3. 7 4. 12 5. 5 tens 6. Teacher check 7. 7 squares 8. 20 9. 90 10. Teacher check Thursday 1. Teacher check; yes 2. Teacher check 3. 10 4. 8 5. 4 tens, 5 units 6. 5 triangles 7. 98 8. 9 9. 5 10. 30 Friday 1. 2. 13 3. 5 4. 7 tens 2 units 5. 9.15 6. 10 7. 58 8. 99 9. 10 10. 12 22

Thursday 1. 2. 14 3. 9; 8.45 4. 3 cm 5. 4 6. 69 7. 4 8. 78 9. 5 10. 15 Friday 1. 2. 4 cm 3. 14 4. 3; 2.45 5. 11 6. 79 7. 7 8. 8 tens 6 units 9. 3 10. 5 cups

Thursday 1. yes 2. Teacher check 3. Teacher check 4. 15 5. 11 6. 9 tens 5 units 7. 11 8. 7, 18, 27, 32, 39 9. 18 10. 80 Friday 1. C 2. 12 3. Teacher check 4. 4 5. Teacher check 6. 10 tens 0 units 7. 13 8. 40 9. 90 10. 7 New wave mental maths

Thursday 1. Yes 2. 5 tens 9 units 3. 10.15 4. 15 5. 60 6. 6 7. Teacher check 8. No 9. 14 10. 4

Wednesday 1. 8 2. 6 3. 4 4. 25 5. Teacher check 6. 12 7. apple 8. kiwi 9. 5 10. 1.45 Thursday 1. Teacher check 2. 6 3. 5.45 4. midday 5. 14 6. 13 7. 33 8. 58, 72, 83, 91 9. 70 10. 20

Friday 1. 4 2. 16 3. 80 4. 60c 5. 9 6. 12.00 7. Teacher check 8. 6 9. 100 10. 14

Friday 1. E 2. 4 3. 8.45 4. 17 5. 35 6. 4 7. 4 8. 4 9. 13 10. 6

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NEW WAVE MENTAL MATHS (2nd Class Book) – Answers WEEK 11 pages 22 – 23

Monday 1. 19 2. 20 3. 6 4. 43 5. 2.00 6. Teacher check 7. 12 8. 20 9. 12 10. 99 Tuesday 1. 4.15; 4 2. 3. less than 4. 20 5. 3 6. 53 7. 15 8. 99 9. 4 10. 1 hundred 0 tens 2 units Wednesday 1. 2. 4 3. 20 4. 2 5. 62 6. 12 7. 100 8. 6 9. 1 hundred 0 tens 4 units 10. 8.45; 9 Thursday 1. Teacher check 2. 20 3. 6.30 4. shoe 5. 4 6. 75 7. 101 8. 5 9. 12 10. 10 triangles Friday 1. D 2. 4 3. 20 4. 62 5. 96 6. 110 7. 10.45: 11 8. Teacher check Prim-Ed Publishing

9. 15 10. Teacher check WEEK 12 pages 24 – 25

Monday 1. 9 2. 1 hundred 9 tens 3 units 3. 11 4. 21 5. 5.45 6. 2 7. Teacher check 8. 9 9. 7 10. 53 Tuesday 1. 9.45 2. 18 3. 10 4. 1 hundred 0 tens 8 units 5. 3 6. 12 7. 88 8. 2 9. 60c 10. 10c Wednesday 1. 10 2. 1 hundred 0 tens 4 units 3. 4 4. 15, 24, 34, 37 5. 19 6. Teacher check 7. 12 8. 34 9. 10 10. 3.45 Thursday 1. 2. 11 3. 9.15; 9 4. 1 hundred 4 tens 0 units 5. 8 6. 13 7. 44 8. 10 9. 20 10. 30 Friday 1. Teacher check 2. 8 3. 1 hundred 5 tens 6 units www.prim-ed.com

4. 3.15 5. 7 6. 16 7. 55 8. 13 9. 5 10. 105 WEEK 13 pages 26 – 27

Monday 1. 2. 9 3. 1 hundred 2 tens 4 units 4. A 5. 6 6. 7 + 3 = 10; 3 + 7 = 10 7. 108 8. 43 9. square 10. 5 Tuesday 1. 55 2. 1 hundred 8 tens 0 units 3. Teacher check 4. 11 5. yes 6. 15 7. 7 + 6 = 13; 6 + 7 = 13 8. 41 9. 7 10. Teacher check Wednesday 1. 2. seventh 3. Friday 4. Tuesdays 5. 14 6. 1 hundred 5 tens 4 units 7. 8 circles 8. 5 9. Teacher check 10. 41 Thursday 1. Teacher check 2. 190 3. B 4. 12 5. 0 hundreds 7 tens 2 units 6. 35 7. 6 8. Teacher check 9. rectangle 10. 5 New wave mental maths

Friday 1. Teacher check 2. B 3. 13 4. 31 5. Teacher check 6. 4 yellow 7. 4 blue 8. 8 9. 8 10. 6 WEEK 14 pages 28 – 29

Monday 1. Teacher check 2. Teacher check 3. Teacher check 4. 15 5. 7 6. 7 7. green 8. No 9. 8 10. 1 hundred 2 tens 0 units Tuesday 1. quarters 2. Teacher check 3. 15 4. 6 5. 5 6. 108 7. 46 8. 1 hundred 1 ten 0 units 9. 11 10. 5 Wednesday 1. Teacher check 2. 15 3. 5 4. 6 5. 79 6. 1 hundred 5 tens 0 units 7. 18 8. 1 flower 9. Teacher check 10. Teacher check Thursday 1. 15 2. 9 3. 4 4. 1 triangle 5. 94 6. Teacher check 7. 0 hundreds 9 ten 9 units

8. 3 9. Teacher check 10. Teacher check Friday 1. Teacher check 2. 15 3. 4 4. 2 5. 81 6. 1 hundred 3 tens 0 units 7. 9.45 8. 6 9. Teacher check 10. Teacher check WEEK 15 pages 30 – 31

Monday 1. 2. 1 hundred 3 tens 4 units 3. 4.45 4. Teacher check 5. 90 6. 3 7. 16 8. 27 9. 40, 77, 83, 92 10. 3 Tuesday 1. 10:15 2. 3. 1 hundred 7 tens 4 units 4. 80 5. 2 squares 6. 16 7. 24 8. 4 9. 30c 10. €1.50 Wednesday 1. 2. 1 hundred 3 tens 2 units 3. 50 4. 4 5. 12 6. 35 7. 2 8. €1.00 9. €2.00 10. 3:30 Thursday 1. Teacher check 2. 0 hundreds 6 tens 9 units 23


NEW WAVE MENTAL MATHS (2nd Class Book) – Answers 3. 12:45 4. 40 5. 2 6. 15 7. 44 8. 10 9. 150 10. Teacher check Friday 1. No 2. 80c 3. 1 hundred 0 tens 9 units 4. 30 5. 6 6. 10:00 7. 14 8. 56 9. 3 10. 6 WEEK 16 pages 32 – 33

Monday 1. 2. 45 3. cup 4. 17 5. Teacher check 6. 9 7. 43 8. 132 9. 57 10. Teacher check Tuesday 1. bucket 2. 13 3. 4. Teacher check 5. 30 6. Monday 7. Thursday 10th 8. 7 9. 63 10. 77 Wednesday 1. 11 2. 3. 8 4. Teacher check 5. 85 6. 108 7. 2 circles 8. Teacher check 9. Teacher check 10. bowl

24

Thursday 1. 12 2. 3. 10 4. tablespoon 5. Teacher check 6. 162 7. 97 8. 3 triangles 9. 12 10. Teacher check Friday 1. 14 2. Teacher check 3. 16 4. glass 5. 6 6. 16 7. 83 8. 43 9. 5 10. 4 WEEK 17 pages 34 – 35

Monday 1. 18 2. 8 3. 0 hundreds 3 tens 5 units 4. summer 5. Teacher check 6. 10 7. Teacher check 8. 5 9. 5 10. 4 Tuesday 1. winter 2. no 3. yes 4. Teacher check 5. 7 6. 6 7. 86 8. 3 squares 9. 100 10. 110 Wednesday 1. Teacher check 2. 157 3. Teacher check 4. 9 5. 8 6. 72 7. Teacher check 8. 3 circles 9. 15 10. autumn

Thursday 1. 2. spring 3. Teacher check 4. 10 5. 12 6. 64 7. 4 triangles 8. 57 9. €1.90 10. 75 Friday 1. rectangle 2. marshmallow (a) 3. 11 4. 13 5. 58 6. Teacher check 7. 20 8. Teacher check 9. 49 10. Teacher check WEEK 18 pages 36 – 37

Thursday 1. 6 2. Yes 3. autumn 4. 5. 198 6. Teacher check 7. Teacher check 8. Teacher check 9. 13 10. 6 Friday 1. No 2. 12.00 p.m. 3. rectangle 4. 37 5. 2 6. No 7. summer 8. 9. 10 10. €2.00 WEEK 19 pages 38 – 39

Thursday 1. 2. 15 3. 5 o’clock 4. C 5. 5 6. 16 7. No 8. 129 9. 71 10. Teacher check Friday 1. Teacher check 2. 4 3. 120 4. 12 o’clock 5. Yes 6. B 7. 10 8. 81 9. 4 10. 5 squares WEEK 20 pages 40 – 41

Monday 1. Teacher check 2. 18 3. 6 4. 9 5. 12 6. 12 7. 80 8. 12 9. 170 10. 11

Monday 1. Teacher check 2. 10 o’clock 3. A 4. 6 5. 14 6. 4 squares 7. 111 8. 51 9. 11 10. Teacher check

Monday 1. 20 2. 198 3. 8 4. 150 5. 10 6. 11 7. 2 8. 14 9. 7, 15 10. €1.30

Tuesday 1. 7 2. December 3. Teacher check 4. 9 5. €1.70 6. €1.80 7. 50c 8. 99 9. 120 10. 10

Tuesday 1. 2 o’clock 2. 6 3. 6 4. 2 5. 4 circles 6. 8 7. 7 8. 109 9. 41 10. 50c

Tuesday 1. 3 2. cone 3. 100 4. 110 5. 8 6. 14 7. 2 8. 23 9. €1.25 10. 8

Wednesday 1. Teacher check 2. 199 3. 7 4. Teacher check 5. Teacher check 6. 85 7. 13 8. Yes 9. Teacher check 10. 24

Wednesday 1. 3 2. 4th 3. Friday 4. Sunday 5. 2 6. 5 triangles 7. 12 8. 8 9. 130 10. 8 o’clock

Wednesday 1. 2. Sunday 3. 89 4. 7 5. 10 6. 6, 12 7. 190 8. €1.60 9. 13 10. 12

New wave mental maths

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NEW WAVE MENTAL MATHS (2nd Class Book) – Answers Thursday 1. 8 2. 3. 7 4. February 5. 181 6. 10 7. 16 8. 16 9. circle 10. 8

Thursday 1. rectangle 2. 100 3. 10 4. 12 5. Teacher check 6. 40 7. 4 8. 12 9. 27 10. 90

Friday 1. Teacher check 2. 4 3. 5 4. 169 5. 15 6. 17 7. 17 8. 6 9. 6 10. 9

Friday 1. 2. 60 3. 6 4. 30 5. 3 6. 22, 26, 30 7. 5 8. 63,71 9. 73 10. €1.50

WEEK 21 pages 42 – 43

WEEK 22 pages 44 – 45

Thursday 1. 16 2. 70 3. 7 4. eat breakfast 5. 3 6. 60 7. 6 8. 25 9. 3 10. €1.56 Friday 1. 19 2. Teacher check 3. 60 4. 10 5. 90 6. eat dinner 7. 7 8. 17 9. 36 10. €1.85 WEEK 23 pages 46 – 47

Monday 1. 6 2. square 3. 7 o’clock 4. 40 5. 8 6. 30 7. Teacher check 8. 18 9. 13 10. 99

Monday 1. 2. 6 3. sunrise 4. 4 5. 50 6. 9 7. 40 8. 7 9. 64 10. 55

Monday 1. 8 2. go to school 3. B 4. 99 5. 4 6. 89 7. 0 8. 15 9. no 10. 26

Tuesday 1. 9 2. Teacher check 3. 70 4. 7 5. No 6. 4 7. 56 8. 75 9. 99 10. €1.00

Tuesday 1. midday 2. triangle 3. 90 4. 11 5. 50 6. 6 7. 16 8. 77 9. water 10. 5

Tuesday 1. go to sleep 2. 0 3. no 4. 3 5. 30 6. 100 7. 17 8. 2 apples 2 bananas 9. 28 10. €2.00

Wednesday 1. Teacher check 2. 6 3. 90 4. 9 5. 60 6. 4 7. 53, 59 8. 82, 88 9. 97 10. 11 o’clock

Wednesday 1. Teacher check 2. 80 3. 8 4. 40 5. 4 6. 97 7. 3 8. 59 9. fruit juice and fizzy drink 10. sunset

Wednesday 1. 8 2. B 3. 18 4. 5 5. 50 6. 24 7. 4 + 9 8. 17 9. no 10. wake up

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New wave mental maths

Thursday 1. or 2. Teacher check 3. June 4. yes 5. 12 6. €1.81 7. 8 8. 4 9. 49 10. 198 Friday 1. Teacher check 2. October 3. 1 hundred 0 tens 9 units 4. 13 5. Teacher check 6. 92c 7. 3 8. 12 9. 4 10. 80 WEEK 24 pages 48 – 49

Monday 1. circle 2. 59 3. Teacher check 4. 90 5. 60 6. 18 7. or 8. 1 9. 1 10. Teacher check Tuesday 1. Teacher check 2. left 3. 75 4. 90 5. 70 6. 30 7. 3 8. 150 9. 10. 3 Wednesday 1. 2. 4 3. 83 4. 80 5. 50 6. 30 7. 4 8. 2 out of 4 9. 4 10. Teacher check

Thursday 1. Teacher check 2. 162 3. Teacher check 4. Teacher check 5. 79 6. 80 7. 40 8. yes 9. 3 10. 58c Friday 1. left 2. 88 3. yes 4. 80 5. Teacher check 6. 40 7. 20 8. 88 9. 3 10. €1.85 WEEK 25 pages 50 – 51

Monday 1. circle 2. 30 3. 7 4. A 5. 4 6. 30 7. 60 8. 8 9. 130 10. 12 Tuesday 1. 12 2. rectangle 3. 2 4. no 5. 90 6. 72 7. 7 8. €1.00 9. 50c 10. 50c Wednesday 1. circle 2. 60 3. 30 4. Thursday 5. Wednesday 6. 3 7. 4 8. 0 9. 122 10. 6 25


NEW WAVE MENTAL MATHS (2nd Class Book) – Answers Thursday 1. 15 2. 2 3. 24 4. 90 5. 30 6. no 7. 16 8. 10 9. 20 km 10. 50c Friday 1. No 2. Teacher check 3. 90 4. 20 5. no 6. 3 7. 8 8. 5 9. Teacher check 10. 80c WEEK 26 pages 52 – 53

Thursday 1. cone 2. 95 3. your sock 4. 74 5. 6 6. 37, 64, 89 7. 100 8. 14 9. €1.26 10. Teacher check Friday 1. cube 2. 66 3. 80 4. 5 5. 21, 50, 86 6. two pencils 7. 100 8. 16 9. 6 10. 40c WEEK 27 pages 54 – 55

Thursday 1. 2. 68 3. beads 4. sphere 5. 85 6. 62 7. 20 8. 79, 124, 160 9. Teacher check 10. 4 Friday 1. C 2. 49 3. 21 4. 89 5. books 6. cylinder 7. 20 8. 102, 134, 189 9. 10 10. €1.76 WEEK 28 pages 56 – 57

Thursday 1. cuboid 2. 9 3. 10 o’clock 4. 68 5. 40 6. 4, 69, 125 7. 89 8. 23 9. 40c 10. 6 Friday 1. sphere 2. 38 3. 0 4. 47, 104, 140 5. more than 6. 26 7. 11 8. 8 9. 18 10. 1 out of 4 WEEK 29 pages 58 – 59

Thursday 1. 1 2. Teacher check 3. Teacher check 4. 66 5. 1, 101, 110 6. 76 7. 17 8. 99 9. 140 10. 25c Friday 1. 37 2. Teacher check 3. more than 4. 99 5. 43, 122, 170 6. 98 7. 19 8. 73 9. Teacher check 10. 10 WEEK 30 pages 60 – 61

Monday 1. sphere 2. 4 3. elephant 4. 78 5. 64 6. 3 7. 48 8. 182 9. 10 10. Teacher check

Monday 1. 35 2. 3 3. beads 4. 47 5. 60 6. 27, 44, 120 7. 7 8. 84 9. 30c 10. Teacher check

Monday 1. 8 2. 99, 150, 199 3. 10 o’clock 4. A 5. 47 6. 70 7. 60 8. 84 9. 150 10. less than

Monday 1. 2. 18 3. less than 4. 90 5. 106, 116, 160 6. 75 7. 198 8. red 9. white 10. 14

Monday 1. 2. 24th 3. 5 4. Monday 5. 88 6. €1.35 7. 5 8. 14 9. no 10.

Tuesday 1. feather 2. cuboid 3. 96 4. 36 5. 2 6. 15, 24, 72 7. 180 8. 12 9. 10. 1

Tuesday 1. wooden blocks 2. 80 3. 31 4. Thursday 5. 28th 6. cone 7. 20 8. 37, 69, 165 9. 8 10. 85

Tuesday 1. 2 2. 12 3. 3 4. 90 5. 30 6. 83 7. 23, 98, 145 8. 4 9. 2 10. grey

Tuesday 1. Teacher check 2. 3 3. €1.29 4. 90 5. 104, 120, 163 6. 76 7. 130 8. 70 9. 1 10. 90c

Tuesday 1. 15 2. 4 3. 199 4. 77 5. 20 6. 9 7. 20 8. 90 9. 60 10. €1.54

Wednesday 1. cylinder 2. 93 3. 39 4. 4 5. 14, 50, 69 6. 100 7. 1 hundred 3 tens 9 units 8. Teacher check 9. 20 10. book

Wednesday 1. 2. 2 3. 58 4. 40 5. 65, 99, 180 6. 9 7. 77 8. Friday 9. Monday, Tuesday 10. 4

Wednesday 1. 6 2. 6th 3. Teacher check 4. Thursday 5. 90 6. 150 7. 126, 159, 174 8. 24 9. 13 10. 8

Wednesday 1. 12 2. 100 3. 88 4. 110, 189, 198 5. 88 6. 20 7. 80 8. no 9. yes 10. 14

Wednesday 1. No 2. 12 3. 18 4. 7 5. 9 6. 54 7. €1.42 8. cat 9. fish 10. 12

26

New wave mental maths

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NEW WAVE MENTAL MATHS (2nd Class Book) – Answers Thursday 1. 2. 15 3. 15 4. €1.24 5. 4 6. €1.90 7. Teacher check 8. 200, 195 9. 79 10. 100, 175, 189, 215

Thursday 1. both 2. more than 3. 3 4. 14 5. 90 6. €1.27 7. no 8. 179 9. 43 10. 90c

Friday

Friday 1. 3, 5, 5 2. December 3. 13 4. 90 5. less than 6. 7 7. 4 8. 90 9. 97 10. €1.74

1. Y 2. 16 3. €1.63 4. 7 5. 92 6. 10 7. 95 8. 90 9. 3 10. 87 WEEK 31 pages 62 – 63

WEEK 32 pages 64 – 65

Thursday 1. 22 2. 1/4 kg, 1/2 kg, 1 kg 3. 78 4. 15 5. 7 6. yes 7. yes 8. €1.79 9. 16 10. €1.97 Friday 1. 11 2. 99 3. no 4. 9 5. yes 6. 12 7. €1.85 8. 18 9. 1 kg, 1/2 kg, 1/4 kg 10. 60 WEEK 33 pages 66 – 67

Thursday 1. 15 2. 1st Class boy 3. 16 4. 96 5. 5 6. €1.92 7. bricks 8. 25, 85, 100, 180 9. 6 10. €0.98 Friday 1. 2. earth 3. Teacher check 4. 14 5. 79 6. 7 7. 49 8. 33 9. €0.50 10. 6 WEEK 34 pages 68 – 69

Thursday 1. square 2. more than 3. 50 4. 85 5. 12 6. 16 7. 9 8. 123c 9. 8 10. 50 Friday 1. 1 2. less than 3. 70 4. 95 5. 9 6. 199c 7. 11 8. 15 9. €4.00 10. 5 WEEK 35 pages 70 – 71

Monday 1. 21 2. 8 3. more than 4. 30 September 5. Friday 6. 4 7. 2 8. 2 9. 48 10. €1.49

Monday 1. 2 2. Teacher check 3. 1 kg 4. 68 5. 22 6. 18 7. apple, banana 8. kiwi 9. 4 10. 5

Monday 1. 17 2. 4 3. 13 4. 69 5. 6 6. 5 7. 10 8. 30c 9. €1.20 10. polystyrene balls

Monday 1. circle 2. 20 3. 55 4. 6 5. 125c 6. 104 7. 5 8. A 9. 25 10. more than

Monday 1. 87c 2. 8 3. 130c 4. 90 5. 34 6. less than 7. 17, 37, 45, 101 8. 18 9. 5 10. 124

Tuesday 1. more than 2. A 3. 11 4. 90 5. 16 6. 100 7. 79 8. 7 9. warm 10. 4

Tuesday 1. 2, 3, 4 2. sphere 3. 1/4 kg 4. 58 5. 2 6. 12 7. €1.23 8. Teacher check 9. 1/4 10. 15

Tuesday 1. C 2. feathers 3. 7 4. 16 5. 79 6. 8 7. 9 8. 129 9. 8 10. Teacher check

Tuesday 1. 30 2. 75 3. 16 4. 189c 5. 174 6. 8 7. Teacher check 8. €1.88 9. 10. more than

Tuesday 1. cylinder 2. 8 3. 195c 4. 90 5. 1 kg 6. 85, 121, 132, 133 7. 12 8. 50c 9. 9 10. 20

Wednesday 1. cone 2. A 3. 12 4. 70 5. 14 6. 98 7. no 8. €1.75 9. 18 10. less than

Wednesday 1. less than 2. 89 3. 1, 6 4. 30 5. 3 6. €1.49 7. 96 8. 57 9. 40c 10. 79

Wednesday 1. rectangle 2. cotton wool 3. Teacher check 4. 13 5. 95 6. 6 7. 12, 18, 38, 41 8. €1.45 9. 8 10. 67

Wednesday 1. B 2. less than 3. 40 4. 95 5. 9 6. 155c 7. 6 8. 9 9. 5 10. 189

Wednesday 1. 9 2. 121 3. 90 4. 1/4 kg 5. 6. 7. 1 8. 140c 9. 12 10. 90c

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NEW WAVE MENTAL MATHS (2nd Class Book) – Answers Thursday 1. 10 2. 105c 3. 90 4. or 5. 1/4, 1/2, 1 6. 20 7. 5 8. 7 9. 18 km 10. 8 Friday 1. 2. €5.00 3. 11 4. 101c 5. 90 6. 1, 1/2, 1/4 7. 115 8. 8 L 9. 100 10. 6 WEEK 36 pages 72 – 73

Thursday 1. cylinder 2. 12:45 3. 2 cm 4. 17 5. 4 6. 6 7. 149 8. 50 9. 90 10. €20.00 Friday 1. 2. 10.15 3. 5 cm 4. 18 5. 3 6. 7 7. 130 8. 18, 30 9. 5 10. 80 WEEK 37 pages 74 – 75

Thursday 1. 12 km 2. 3. Teacher check 4. 60 5. 60 6. 25 7. 3 circles 8. 7 9. 9 10. 14 Friday 1. 2. 90 3. 50 4. 45 5. 5 triangles 6. Teacher check 7. 7 8. 11 9. 10 10. 10 WEEK 38 pages 76 – 77

Thursday 1. 5 2. 90 3. 18 4. Teacher check 5. 10 6. 14 7. 4 8. 11 9. 97 10. 5 Friday 1. 12 2. 3. 4 cm 4. 80 5. 14 6. 7 7. Teacher check 8. 76 9. 2 10. 30c WEEK 39 pages 78 – 79

Thursday 1. Teacher check 2. 24 3. 125c 4. 12 5. no 6. 20 7. 13 8. 15 9. 180 10. 9 Friday 1. Teacher check 2. Teacher check 3. spring 4. 198c 5. 57 6. 13 7. 4 8. 7c 9. yes 10. 12 WEEK 40 pages 80 – 81

Monday 1. 12 2. 3.30 3. 15 4. 7 5. 6 6. 150 7. 10, 14 8. 4 squares 9. 12 10. Teacher check

Monday 1. Teacher check 2. 3. Teacher check 4. 70 5. 10 6. 65 7. 16 8. 3 9. 55 10. 6

Monday 1. 2. 3 3. 4. 16 5. 70 6. Teacher check 7. 11 8. 6 9. 7 10. 8

Monday 1. Teacher check 2. winter 3. 10 4. 10 5. 3 6. 5 7. 85c 8. 90 9. 112 10. €1.99

Monday 1. 2. Teacher check 3. 61 4. 78 5. 82 6. 15 7. 42 8. Teacher check 9. 47, 105, 124, 183 10. March

Tuesday 1. 8 2. 2.00 3. 12 4. 6 5. 3 6. 198 7. 6, 15 8. 11 9. €10.00 10. 6 circles

Tuesday 1. Teacher check 2. 50 3. 90 4. 55 5. 5 triangles 6. Teacher check 7. 4 8. 100 9. €1.90 10. 20

Tuesday 1. 12 2. 3 3. 99 4. 24 5. Teacher check 6. 3 7. 20 8. 90 9. 12 10. €30.00

Tuesday 1. CD 2. autumn 3. 60 4. 10 5. 6 6. 109 7. 48, 73, 89, 127 8. 60 9. 6 10. 77

Wednesday 1. 5:15 2. cuboid 3. 50 4. 6 5. 5 6. 3 7. 16 8. 175 9. 30 10. 7

Wednesday 1. 18 2. Teacher check 3. 60 4. 70 5. 35 6. 2 rectangles 7. 9 8. 9 9. 4 10. Teacher check

Wednesday 1. 3 2. 1 January 3. 90 4. 87 5. Teacher check 6. 16 7. 80c 8. 10 9. 16 10. 17

Wednesday 1. 2. 12 3. 50 4. €1.45 5. 35 6. 100 7. €1.80 8. 19 9. 87 10. yes

Tuesday 1. 2. 33 3. 65 4. breakfast, lunch, dinner 5. 104 6. 25 7. June 8. more than 9. 6 10. 31

28

New wave mental maths

Wednesday 1. 2. left 3. cup 4. 9 5. St.Patrick’s Day, Easter, Christmas 6. 45 7. 25 8. odd

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NEW WAVE MENTAL MATHS (2nd Class Book) – Answers 9. 70 10. 8 Thursday 1. 1 2. 3. 52 4. polystyrene balls 5. 35 6. 3 7. 3 8. 9 9. 51, 105, 150, 155 10. 15 Friday 1. 2. 8 3. even 4. 97 5. 55 6. 90 7. feather 8. 24 9. 34 10. 20

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New wave mental maths

29

1702 New Wave Mental Maths - 2nd Class  
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